来自陈晓玲的问题
化简m^2-2m+1+m^2-6m+9因式分解12x^2+5x-2
化简m^2-2m+1+m^2-6m+9因式分解12x^2+5x-2
1回答
2020-01-16 21:52
化简m^2-2m+1+m^2-6m+9因式分解12x^2+5x-2
化简m^2-2m+1+m^2-6m+9因式分解12x^2+5x-2
m^2-2m+1+m^2-6m+9
=2m^2-8m+10
12x^2+5x-2
=(4x-1)(3x+2)